Image 72 of 268
The Fornax Galaxy Cluster
NGC 1365 + NGC 1399 in Fornax (APO 120 Ra).jpg
This frames the main members of the populous Fornax galaxy cluster in the southern sky, second only perhaps to the northern sky's Coma-Virgo galaxy cluster and its Markarian's Chain area for having the most bright galaxies in one low-power telescope field.
The two brightest Fornax cluster members are:
- the elliptical galaxy NGC 1399 at upper left, paired with smaller NGC 1404,
- and the barred spiral galaxy NGC 1365 at lower right, considered one of the best barred spirals in the sky.
The odd shaped galaxy at left is the irregular galaxy NGC 1427A, with NGC 1427 itself at the far left edge. The elongated spiral galaxy at top is NGC 1380. Numerous other NGC and tiny, faint PGC galaxies populate the field, down to magnitude 15 or so.
Some of the galaxies to the lower left lie across the constellation border in Eridanus, but the majority of cluster members lie in Fornax the Furnace at roughly -35° declination.
Technical:
This is a stack of just 10 x 6 minute exposures through the Askar APO120 refractor at f/7 and the Canon Ra at ISO 1600. Taken from the Quailway Cottage in southeast Arizona, in the pre-dawn hours of October 9, 2024, with the field still low in the south from this latitude of 32° N. The oncoming twilight and desire to shoot some other southern galaxy fields this morning limited the exposure time. This was with the Astro-Physics AP400 mount autoguided with the MGEN3 guider.
Structure and galaxy detail enhanced with Starizona's Galaxy Enhance action and the Nik Color EFX Detail Extractor filter.
The two brightest Fornax cluster members are:
- the elliptical galaxy NGC 1399 at upper left, paired with smaller NGC 1404,
- and the barred spiral galaxy NGC 1365 at lower right, considered one of the best barred spirals in the sky.
The odd shaped galaxy at left is the irregular galaxy NGC 1427A, with NGC 1427 itself at the far left edge. The elongated spiral galaxy at top is NGC 1380. Numerous other NGC and tiny, faint PGC galaxies populate the field, down to magnitude 15 or so.
Some of the galaxies to the lower left lie across the constellation border in Eridanus, but the majority of cluster members lie in Fornax the Furnace at roughly -35° declination.
Technical:
This is a stack of just 10 x 6 minute exposures through the Askar APO120 refractor at f/7 and the Canon Ra at ISO 1600. Taken from the Quailway Cottage in southeast Arizona, in the pre-dawn hours of October 9, 2024, with the field still low in the south from this latitude of 32° N. The oncoming twilight and desire to shoot some other southern galaxy fields this morning limited the exposure time. This was with the Astro-Physics AP400 mount autoguided with the MGEN3 guider.
Structure and galaxy detail enhanced with Starizona's Galaxy Enhance action and the Nik Color EFX Detail Extractor filter.
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- © Alan Dyer/AmazingSky.com
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