M101, the Pinwheel | Orion Skies

For your DWARF 3. Change scope

Astrofilter

89°highest

One frameDWARF 3 tele

Maybest at 10pm

A big, faint face-on spiral, high in spring.

Will it fit?

Sky survey picture of M101, the Pinwheel 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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