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Image of the day 04/16/2019

Getting plate-solving status, please wait...
    IPHASX J015624.9+652830 (Ferrero 6 / Fe6 / PN G129.6+03.4) Planetary Nebula, 


            Jerry Macon
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    IPHASX J015624.9+652830 (Ferrero 6 / Fe6 / PN G129.6+03.4) Planetary Nebula

    Technical card

    Dates:Nov. 15, 2018Dec. 4, 2018

    Astrodon 36mm Ha (5nm) OIII (5nm): 298x300" (gain: 99.00) -20C bin 1x1
    Astrodon Gen 2 RGB 36mm: 65x100" (gain: 99.00) -15C bin 1x1

    Integration: 26.6 hours

    Avg. Moon age: 17.04 days

    Avg. Moon phase: 28.62%

    Bortle Dark-Sky Scale: 4.00

    Temperature: -5.00 job: 2624045

    RA center: 1h 56' 25"

    DEC center: +65° 28' 20"

    Pixel scale: 0.701 arcsec/pixel

    Orientation: -177.543 degrees

    Field radius: 0.347 degrees

    Resolution: 2800x2200

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

    Data source: Own remote observatory

    Remote source: Non-commercial independent facility


    Images from the following two scopes (piggybacked) contributed to this image:
    AG12+ASI1600MM at .70 asec/pix
    TV127is+ASI183MM at .75 asec/pix.
    They were all registered to the best Ha image taken on the AG12.
    Using L (synthetic from RGB) from the TV NP127is refractor effectively eliminates the spikes from the AG12.

    Imaged on nights of 11/15/2018, 11/18/2018, 11/19/2018, 12/4/2018.

    This is by far the faintest planetary nebula I have ever imaged. Looking at a single frame there is virtually no hint that this PN exists. There are very few amateur examples. Chris Sullivan introduced it to me with his fine example for which he received an IOTD.

    The following description comes from the excellent example by Mark Hanson at which was taken with a Planewave 24" f6.7 on a Planewave HD Mount, Camera: SBIG 16803.

    Explanation From Sakib Rasool
    IPHASX J015624.9+652830 is a planetary nebula that was discovered as part of the IPHAS survey. It was spectroscopically confirmed as a true planetary nebula by the professional astronomer Laurence Sabin in September 2011. It has also been independently discovered by the French amateur astronomer Laurent Ferrero in 2013 and is also known as Fe 6. Its structure consists of a low surface brightness bubble with a size of 3.5 arcminutes, which is accentuated by a thin "bright" rim on the outside. It is very likely to be an ancient evolved planetary nebula that is interacting with the interstellar medium (ISM) and its intensely blue central star is easily visible near the centre. Despite its faintness, it is possible to visually observe it in very large telescopes.



    Jerry Macon
    License: Attribution Creative Commons

    Sky plot

    Sky plot


    IPHASX J015624.9+652830 (Ferrero 6 / Fe6 / PN G129.6+03.4) Planetary Nebula, 


            Jerry Macon