Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7023  ·  VdB139
Getting plate-solving status, please wait...
Iris Nebula NGC 7023 in Cepheus, Arnaud Peel
Powered byPixInsight

Iris Nebula NGC 7023 in Cepheus

Getting plate-solving status, please wait...
Iris Nebula NGC 7023 in Cepheus, Arnaud Peel
Powered byPixInsight

Iris Nebula NGC 7023 in Cepheus

Equipment

Loading...

Acquisition details

Loading...

Description

For each object , you have to found the best way to process it. As others , this one is not easy, and I try not to over-process the dark clouds auround the bright and blue core.

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 lies 1,300 light-years away and is six light-years across

Red 35 subs@180s -20°C gain zero

Blue 35 subs@180s -20°C gain zero

Green 30 subs@180s -20°C gain zero

Light 104 subs@180s -20°C, gain zero

5 Nights : 03/04, 04/05, 05/06, 10/11, 13 of july

Comments

Revisions

    Iris Nebula NGC 7023 in Cepheus, Arnaud Peel
    Original
    Iris Nebula NGC 7023 in Cepheus, Arnaud Peel
    B
  • Final
    Iris Nebula NGC 7023 in Cepheus, Arnaud Peel
    C

Sky plot

Sky plot

Histogram

Iris Nebula NGC 7023 in Cepheus, Arnaud Peel