NGC/IC Project Restoration Effort

(This is a very very beta version)

NGC1039

 

Basic Information


Location and Magnitude


Right Ascension: 2:42:5.0
Declination: +42:45:42
Constellation: PER
Visual Magnitude: 5.2

Historic Information


Discoverer: Hodierna
Year of discovery: 1654
Discovery aperture:

Observational


Summary description: Cl, B, vL, lC, sc st 9
Sub-type: II3m

Steve's Notes

===== NGC 1039 24" (12/28/13): gorgeous low power field with 21mm Ethos (125x; 49' diameter). The cluster roughly extends 35' with a much richer and brighter core of ~12'-15' that contains a large number of mag 8-10 stars. Several of the brighter stars appear as wide doubles or in chains. A long string of stars is on the south side of the core, extending towards the southeast. Other chains extend north and east out of the core. Several doubles were identified using the chart in Stoyan's "Atlas of the Messier Objects". O· 44 is a challenging mag 8.5/9.0 pair at 1.4" that just resolved at 225x and better at 300x. Another 8th mag star (C component) is widely separated at 86". h2154 is a 9.5/10.9 pair at 10" on the SW side and h1123 is a very wide 20" pair of mag 8.4 star. Also in the core is ES 1506, a challenging mag 8.9/14 pair at 7" and h2155, a very wide 8.3/10.3 pair at 17" on the NE side. PN Abell 4 lies 38' ESE of center. 13.1" (12/22/84): about 100 stars in a 30' diameter. Very bright, very large, many double stars, three main curved lanes. Includes a bright double star h1123 = 8.0/8.0 at 20". Naked-eye object in fairly dark sky.