Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  NGC 7023

Image of the day 10/03/2018

Getting plate-solving status, please wait...
    NGC7023 Iris Nebula, 


            Jerry Macon
    NGC7023 Iris Nebula

    NGC7023 Iris Nebula

    Technical card

    Resolution: 4656x3520

    Dates:Sept. 9, 2018

    Frames:Astrodon Gen 2 RGB 36mm: 168x150" (gain: 99.00) bin 1x1

    Integration: 7.0 hours

    Avg. Moon age: 29.26 days

    Avg. Moon phase: 0.08%

    Bortle Dark-Sky Scale: 4.00

    Temperature: 15.00 job: 2271576

    RA center: 21h 1' 35"

    DEC center: +68° 10' 4"

    Pixel scale: 0.700 arcsec/pixel

    Orientation: 267.483 degrees

    Field radius: 0.567

    Locations: Dark Star Observatory, Taos, New Mexico, United States

    Data source: Own remote observatory

    Remote source: Non-commercial independent facility


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



    Jerry Macon

    Sky plot

    Sky plot


    NGC7023 Iris Nebula, 


            Jerry Macon