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NGC 7023 - The Iris Nebula

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Research Assistant: Charlotte Greenham

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The Iris Nebula
NGC 7023, Caldwell 4
Bright Nebula
Cepheus
1,400 light years
+7.2
18 arcminutes
7 light years
1794, William Herschel
August
21h 02m 03s
+68º 17’ 02”
SkyWatcher Esprit 100ED
16 nights in June & July 2020
L = 38 x 1200s
RGB = 18 x 600s each
21 hours 40 minutes

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