Upload your astrophotography



Astro Photography Tool - your Swiss army knife for your astro imaging sessions
Amazon: Shop, Connect, Enjoy :)

Last visited objects: M 21
Uploaded by LarryC
Uploaded by astronate
Uploaded by yves
Uploaded by Matt_Balkham
Uploaded by Maxou034
Uploaded by Antares

Build and share your astrophotographer profile for free!

Upload your astrophotography
View all...

Open cluster M 21

Open cluster in Sagittarius constellation (The Archer). Also known as NGC 6531, ESO 521-SC19, OCL 26.
My list Reminder

Data Sheet

16'
18h 04m 13s
-22º 30' 00''
N/A
5.90
N/A
I3m
N/A

Telescope Simulator

Off Eyepiece Camera
Re-center

Hourly Elevation

Maximum elevation at 12:49 hours

Monthly Elevation

Best period for observing at
Late July

What's in your location's Sky Tonight?

  • Asterismsby: magnitude size rise transit
  • Dark nebulaeby: magnitude size rise transit
  • Diffuse nebulaeby: magnitude size rise transit
  • Galaxiesby: magnitude size rise transit
  • Galaxy clustersby: magnitude size rise transit
  • Globular clustersby: magnitude size rise transit
  • Nebulaeby: magnitude size rise transit
  • Open clustersby: magnitude size rise transit
  • Planetary nebulaeby: magnitude size rise transit
  • Supernovaeby: magnitude size rise transit