Observers' Challenges for October 2019

oecheverri's picture
Here are the Observers' Challenges for September 2019.
Beginner Challenge Intermediate Challenge Advanced Challenge Lunar Challenge

(NGC 628)

a.k.a the Phantom Galaxy, a grand design spiral galaxy about 32 million lightyears distant in Pisces.

Image from

Caldwell 33


 is the eastern portion of the supernova remnant popularly known as the Veil Nebula located in Cygnus.

Image from


is an unremarkable Sbc-type spiral galaxy in Pegasus. How on Earth did it end up as the first entry in the General Catalogues, then the NGC?

Image by Astrophysical Research Consortium - SDSS9, CC BY-SA 4.0,

Palus Epidarium
(the Marsh of Epidemics... charming)
is a small mare southwest of Mare Nubium, noteworthy for Rimae Ramsden, as series of rilles in its western area.

Image from Derekscope (

Everybody - not just members, and not just imagers - are strongly encouraged to submit reports by way of images, sketches, or even without any imagery. You can come up and give a verbal report about the conditions you observed under, the details of the equipment you used, what you'd had for dinner, and of course a description of the object as you observed it! Be sure to send them to me for inclusion in the next meeting at meetingchair[at]