M51, the Whirlpool | Orion Skies

For your DWARF 3. Change scope

Astrofilter

84°highest

One frameDWARF 3 tele

Maybest at 10pm

A spiral with a small companion. Small in the frame, but the arms show with time.

Will it fit?

Sky survey picture of M51, the Whirlpool 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.

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