Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7023  ·  PGC 2730428  ·  PGC 2817439  ·  PGC 65642  ·  PGC 66063  ·  T Cep  ·  VdB139
NGC7023 Iris Nebula-wide field, Jerry Macon
Powered byPixInsight

NGC7023 Iris Nebula-wide field

NGC7023 Iris Nebula-wide field, Jerry Macon
Powered byPixInsight

NGC7023 Iris Nebula-wide field

Equipment

Loading...

Acquisition details

Loading...

Description

Imaged on nights of 9/9/2018, 9/10/2018, 9/15/2018.

The ASI128MC uses the same sensor as the full frame Nikon D600. This produces a 2x3 degree field of view on the NP127is.

The Iris Nebula, also known as NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus. NGC 7023 is actually the cluster within the nebula, LBN 487, and the nebula is lit by a magnitude +7 star, SAO 19158. It shines at magnitude +6.8. It is located near the Mira-type variable star T Cephei, and near the bright magnitude +3.23 variable star Beta Cephei (Alphirk). It lies 1,300 light-years away and is six light-years across.

Comments

Sky plot

Sky plot

Histogram

NGC7023 Iris Nebula-wide field, Jerry Macon