Location: Yuzhno-Morskoy (near Nakhodka), Russia. Date/Time: May 2, 2021 (17:45 UTC). Canon EOS 60D. Stacked 240x5 sec., ISO-6400, f/5.6.

Last image from ALMO Observatory, (MPC G18) of C/2021 A1 Leonard, 2021/05/17. Regards Adriano Valvasori, Ernesto Guido http://cara.uai.it/home

Last image from ALMO Observatory, (MPC G18) of C/2017 K2 PanSTARRS, 2021/05/20. Regards Adriano Valvasori, Ernesto Guido http://cara.uai.it/home

Hello C/2020 T2 (Palomar) near M3 2021 may 14 UT 20.20 4x300sec filter green 12"/4 QHY600 Michael Jäger

Hi all, This new image from last night, the close approach (about a degree) to a splendid globular cluster M3. This is a 2 hour integration time with 3 min subs, and the Zwo ASI071mc pro color camera

A 'snapshot' of the T2/M3 encounter using an FSQ 106 at New Mexico. http://martinmobberley.co.uk/images/2020t2_20210517_0753_mpm.jpg Regards, Martin

Do you guys know any good plugins for Maxm DL to batch convert (without stacking) RAW color data to debayered RGB? Its excruciating to do them one at a time. Clear Skies, Chris Schur Schur's Web Porta

A few days ago... Work does often get in the way! Some info: Referentiation matrix (world[ra,dec] = matrix * image[x,y]): -5.04616117e-04 +2.36661887e-05 +8.22431464e-01 +2.36360337e-05 +5.04600954e-0

Hello Comet Atlas C/2020 R4 from may 10 UT 21.00 12x210 sec with 11" RASA and Z50mod. Regards MIchael Jäger https://flickr.com/photos/91764817@N02/51175270617/in/dateposted-public/lightbox/

The night after(from my previous post showing a closeup and animation found here https://astrob.in/jdxu30/0/ ), R4 skirted by a 10th magnitude galaxy NGC4414. Full resolution posted in Astrobin can be

Hola, MPC Z45 Imagen C/2020 T2 de la noche del 11 de Mayo. Saludos ------------------------------------------------------ Fran Cuevas, Cosmos Observatory MPC Z45 ( Marbella ) https://www.astrobin.com/

Wasn't sure this comet was going to be worthy of an OSC image. At ~ 12.5 magnitude, I didn't expect much from a 6.3 year orbit (figured it might be running out of gas). My unbayered "Blinked" images s

HI all, Here is from last night. This is 50 mins with the 10 inch f/3.9 astrograph, and a Zwo color camera. I am still evaluating the use of the color cameras for comets, and compared to my ST10xme CC

Here is my add in. Stars removed in PixInsight. Best to all, Dan

Comet images of 7 may: C/2021 A1 , C/2020 R4 Or via observatory-log ___________________________________ Kind regards, Erik Bryssinck BRIXIIS Observatory (MPC:B96) http://www.astronomie.be/erik.bryssin

Dear all, image of comet C/2020 R4 ATLAS, 2021/05/02 UT2035, filter Rc. Regards A.Valvasori-E.Guido http://cara.uai.it/home

Dear Co-Observers, NEW OBSERVATIONS – 2021-05 -06 –07 -08 Comets were playing “hide and seek” with the clouds / rain the past nights over Belgium. C/2020 R4 ATLAS is dimming to around magnitude 10.4 t