Orion Skies

M13, the Hercules Cluster

Globular cluster. Beginner target.

For your DWARF 3. Change scope

Astrofilter
73°highest
One frameDWARF 3 tele
Jun, Julbest at 10pm

Hundreds of thousands of old stars in a ball. High on summer evenings.

Will it fit?

Sky survey picture of M13, the Hercules Cluster with the DWARF 3 frame drawn on it
The dashed box is the DWARF 3 tele frame, 2.93 by 1.65 degrees. It fits in one frame. Sky picture: DSS2 colour survey, via CDS hips2fits (Strasbourg).

Tonight from your location

Set your location in the menu bar to see how high it gets tonight.

Settings by level

Beginner

Alt-Azmode
Autosettings
Astrofilter
Set to fitshots

Improver

EQmode
15 sexposure
70gain
Astrofilter
200+frames

Expert

EQmode
60 sexposure
70gain
Astrofilter
100+frames

Will my run fit tonight?

Beginner: Auto picks well, but check the filter by eye and set the number of shots to finish before cloud or the Moon. See Improver and Expert for why.

Join to tick it off and share your picture of it.

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