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Put Your Detective's Hat On
Hey Brian 404 Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
Hey Brian 404 Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
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Gregg Ruppel
· #1725
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vdB 64
Hi all: vdB 64 is a very small reflection nebula in the constellation Lepus; it is somewhat overwhelmed by the the 3.7 magnitude star eta Leporis just 22 arcminutes to the west. The dusty background i
Hi all: vdB 64 is a very small reflection nebula in the constellation Lepus; it is somewhat overwhelmed by the the 3.7 magnitude star eta Leporis just 22 arcminutes to the west. The dusty background i
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Gregg Ruppel
· #1722
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Arp 52
Do you think old Halton was smoking something when he wrote the description for this one? 🤢 Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
Do you think old Halton was smoking something when he wrote the description for this one? 🤢 Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
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Gregg Ruppel
· #1720
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vdB 55 and LDN 1641
Hi all: Here's an interesting area in Orion about 2 degrees NW of Saiph. vdB 55 is a reflection nebula that is bisected by the dark nebula LDN 1641: http://www.greggsastronomy.com/IMAGES/vdB55_LRGB.jp
Hi all: Here's an interesting area in Orion about 2 degrees NW of Saiph. vdB 55 is a reflection nebula that is bisected by the dark nebula LDN 1641: http://www.greggsastronomy.com/IMAGES/vdB55_LRGB.jp
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Gregg Ruppel
· #1716
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Sky brightness during the lunar eclipse
Howard Those correction factors look funky to me. I used a similar camera a while back and never encountered a blue correction that large. I would check to make sure Maxim is using the correct deBayer
Howard Those correction factors look funky to me. I used a similar camera a while back and never encountered a blue correction that large. I would check to make sure Maxim is using the correct deBayer
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Gregg Ruppel
· #1715
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Sky brightness during the lunar eclipse
Hi Howard: For what its worth, this eclipse appeared to be a much darker red that I have seen with lunar eclipses under a cloudless sky. Not sure if this a direct effect of light scattering or just a
Hi Howard: For what its worth, this eclipse appeared to be a much darker red that I have seen with lunar eclipses under a cloudless sky. Not sure if this a direct effect of light scattering or just a
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Gregg Ruppel
· #1711
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Sky brightness during the lunar eclipse
No algorithm, just a raw reading. There is code for converting the frequency into lumens or lux, but we didn't use those. We've been monitoring full moons 1/2 hour before/after meridian crossing for t
No algorithm, just a raw reading. There is code for converting the frequency into lumens or lux, but we didn't use those. We've been monitoring full moons 1/2 hour before/after meridian crossing for t
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Gregg Ruppel
· #1709
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Sky brightness during the lunar eclipse
Hi all Here is a small PDF describing of how I monitored sky brightness during the recent eclipse... https://www.dropbox.com/s/afg95d5p3yyn5cy/Lunar%20Eclipse%20Sky%20Brightness.pdf?dl=0 Clear skies,
Hi all Here is a small PDF describing of how I monitored sky brightness during the recent eclipse... https://www.dropbox.com/s/afg95d5p3yyn5cy/Lunar%20Eclipse%20Sky%20Brightness.pdf?dl=0 Clear skies,
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Gregg Ruppel
· #1707
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NGC 6726
Bernard What a great image...I like the background stars. Makes me wish I had my FSQ106 mounted at DSNM. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
Bernard What a great image...I like the background stars. Makes me wish I had my FSQ106 mounted at DSNM. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
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Gregg Ruppel
· #1706
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Lunar eclipse
No, from my backyard in Tucson... Clear skies, Gregg visit my astrophotography site: www.greggsastronomy.com
No, from my backyard in Tucson... Clear skies, Gregg visit my astrophotography site: www.greggsastronomy.com
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Gregg Ruppel
· #1703
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Lunar eclipse
Hi all: The eclipse through high cirrus clouds: http://www.greggsastronomy.com/IMAGES/LunarEclipse_012019_mosaic.jpg http://www.greggsastronomy.com/IMAGES/Totality_012019.jpg Clear skies, Gregg visit
Hi all: The eclipse through high cirrus clouds: http://www.greggsastronomy.com/IMAGES/LunarEclipse_012019_mosaic.jpg http://www.greggsastronomy.com/IMAGES/Totality_012019.jpg Clear skies, Gregg visit
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Gregg Ruppel
· #1700
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Arp 243
Now that's an Arp - peculiar! Thanks for sharing. Clear skies, Gregg visit my astrophotography site: www.greggsastronomy.com On 1/13/2019 7:08 PM, Dan Crowson wrote: Virus-free. www.avast.com
Now that's an Arp - peculiar! Thanks for sharing. Clear skies, Gregg visit my astrophotography site: www.greggsastronomy.com On 1/13/2019 7:08 PM, Dan Crowson wrote: Virus-free. www.avast.com
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Gregg Ruppel
· #1692
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Asteroid 6478 Gault with a Tail
Nice capture of an unusual object. Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
Nice capture of an unusual object. Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
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Gregg Ruppel
· #1689
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IC 1396A - The Elephant Trunk Nebula in narrowband
I like both...especially the wide field. Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
I like both...especially the wide field. Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
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Gregg Ruppel
· #1688
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vdB 65 and Sh2-241
I agree...the weather has been screwy lately. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
I agree...the weather has been screwy lately. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
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Gregg Ruppel
· #1687
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vdB 49
Hi all: vdB 49 is a faint and tenuous reflection nebula around the star 47 Orionis (omega). The reflection nebula lies adjacent to a streamer of emission nebulosity: http://www.greggsastronomy.com/IMA
Hi all: vdB 49 is a faint and tenuous reflection nebula around the star 47 Orionis (omega). The reflection nebula lies adjacent to a streamer of emission nebulosity: http://www.greggsastronomy.com/IMA
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Gregg Ruppel
· #1678
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vdB 65 and Sh2-241
Hi all: vdB 65 is a reflection nebula and Sh2-241 is an emission nebula that lie about 17 arcminutes apart in Auriga: http://www.greggsastronomy.com/IMAGES/vdb65-LRGB.jpg A few nights of very good see
Hi all: vdB 65 is a reflection nebula and Sh2-241 is an emission nebula that lie about 17 arcminutes apart in Auriga: http://www.greggsastronomy.com/IMAGES/vdb65-LRGB.jpg A few nights of very good see
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Gregg Ruppel
· #1676
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Comet c2018 Y1 Iwamoto
Hi all: I was able to catch the new comet c2018 Y1 Iwamoto this morning: http://www.greggsastronomy.com/IMAGES/c2018-Y1-Iwamoto-LRGB_123118.jpg The comet is estimated to be magnitude 12.5 and was pass
Hi all: I was able to catch the new comet c2018 Y1 Iwamoto this morning: http://www.greggsastronomy.com/IMAGES/c2018-Y1-Iwamoto-LRGB_123118.jpg The comet is estimated to be magnitude 12.5 and was pass
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Gregg Ruppel
· #1657
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vdB 155
Nice...this one is on my target list. Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
Nice...this one is on my target list. Thanks for sharing. Gregg Visit my astronomy & astrophotography site www.greggsastronomy.com
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Gregg Ruppel
· #1650
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46P on Christmas Eve
Merry Christmas All http://www.greggsastronomy.com/IMAGES/46P-Wirtanen-LRGB_122418.jpg LRGB, 48 minutes Clear skies, Gregg visit my astrophotography site: www.greggsastronomy.com
Merry Christmas All http://www.greggsastronomy.com/IMAGES/46P-Wirtanen-LRGB_122418.jpg LRGB, 48 minutes Clear skies, Gregg visit my astrophotography site: www.greggsastronomy.com
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Gregg Ruppel
· #1648
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