Observers' Challenges for September 2019

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

M20
(NGC 6514)

a.k.a the Triffid Nebula, is a gaseous (HII) region in Sagittarius.

Image from huntsvillastronomy.org

Barnard 86
 
 is a dark nebula (a "Bok globule") also located in the  constellation of Sagittarius near NGC6520, which was possibly this open cluster.

Image from Coldpring Observatory

Abell 70

is a planetary nebula in the constellation of Aquila, and a challenging target at a mere 42" diameter.

Image from Astronomy Sketch of the Day

Montes Harbinger
 
is a cluster of mountains to be found on the north-wetsren border of Mare Imbrium and covers about 900 sq km.

Image from Lunar and Planetary Lab at U Arizona.
 

 
I still encourage more people submit reports than did this past month -- I encourage everyone to participate, not just imagers! You can submit reports by way of images, sketches, or even without any imagery, you can come up and give a verbal report that perhaps includes the conditions you made your observations under, and the details of the equipment you used -- 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]ottawa.rasc.ca