Constellation tour in Autumn
Pegasus


Click on image to enlarge

Date & Time: Jul 25 2025, from 24:07 to 24:22 JST(+0900)
Composed 5 shots with 3 minutes exposed
Optical: AF zoom-Nikkor 24-85mm (f=24mm, stop: F4.5)
with Kenko Softon Clear filter
Auto-guided with Kenko SKYMEMO S Equatorial
Digital Camera: Nikon D810A
Location: Hitachi-oota city, Ibaraki pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX format(36×24mm)
Sensitivity...ISO800, White Balance...Daylight




Astroarts StellaNavigator
Pegasus, the winged horse, can be seen at the southern middle sky in autumn, and is conspicuous constellation that includes the "Great Square of Pegasus". All of four stars are generally second or third magnitude, but the vast asterism is fairly obvious because the bright stars hardly can be found around this field. The each side of the square is nearly parallel to each direction, so it's a good guide to identify the other constellations in autumn skies.
The Pegasus flew out of the blood of Medusa when Perseus slew her, and being upside down when you gaze at Pegasus turning south.
This image has cropped with an equivalent focal length 35mm.



Guide for Deep Sky Objects

M15 ...Globular cluster 4 degrees NW of epsilon Peg.
NGC7094 ...Dimmed & round planetary nebula at 1.8deg. ENE of globular cluster M15
NGC7253 (Arp 278) ...Interacting galaxy pair at 5deg. west of βPeg, 200 million ly. away
NGC7331 & Stephan's quintet ...Small galaxy and neighboring compact galaxy group 9deg. NW of beta Peg.
Around NGC7385, 7386 ...Small galaxy group at 15'-SE of ξ Peg, 350 million ly away
Around NGC7407 ...Indistinct galaxy group at 4.6deg. NW of βPeg, 300 million ly away
Around NGC7448 ...Small galaxy group at 1.3deg. NW of αPEG, approx. 100 million ly away
NGC7479 ...A bared-galaxy 3 deg south of alpha Peg.
NGC7497 ...Edge-on galaxy at 3deg. NNE of αPeg., overlapping with molecular cloud
Around NGC7550, Abell 2572 ...A small galaxy cluster and two compact groups of HCG93 & 94 at 4.5deg. NE of αPeg
Around NGC7626(Peg I Cluster) ...A galaxy cluster on border to Pisces, 170 million ly away
NGC7741 ...Small barred galaxy in 6 deg. SW of Alpheratz
NGC7742 ...Small spiral galax 8deg. SW of γ Peg.
NGC7814 ...Small edge-on galaxy about 2.5 WNW from γ Peg.
PK104-29.1(Jones1) ...Very dimmed and large planetary nebula in northern region
Abell 2634 ...Galaxy cluster at 7.7deg. east of β Peg., 470 million ly away
Abell 2666 ...Small galaxy cluster at 4.3deg. SW of αAnd (Alpheratz), 358 million ly. away
UGC12613(Pegasus Dwarf Irregular Galaxy) ...Companion galaxy of M31 at 5.7° east of α Peg, 3 million ly away
Around Pegasus Molecular Cloud ...Dimmed distribution of molecular cloud in the Pegasus's square




Andromeda

Triangulum


Copyright(c) 2025 by Naoyuki Kurita, All rights reserved.
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