- Bright Nebulae (Tri) -

Aur (7) Cep (11) Gem (1) Per (4) Tau (6)
Cam (2) CMa (1) Mon (8) Ser (1) Tri (4)
Cas (9) Cyg (11) Ori (15) Sgr (3) Vul (2)

NGC 588 (BN)

../dss/dss2red_013245.20_+303854.00_5_web.jpg
Image source: DSS II (red) - 5×5'
Name: NGC588
Group: M33
Type: BN, EN, EG
Constellation: Tri
Coordinates: 01h32m45.20s / +30°38'54.00"
Brightness / Size: 13m5 / 0.7x0.7'
Emission nebula within the galaxy Messier 33.

Robert Zebahl
8" f/6, 150x, Bortle 4
Quite compact, faint, barely permanently held with averted vision.

DIFFICULT
René Merting
12.5" f/4.5, 111x, SQM-L 21.5
bei 111x ist an der Westseite von M 33 mit NGC 588 ein weiterer heller Knoten erkennbar, der nicht ganz so hell ist wie NGC 604
MODERATE

NGC 592 (BN)

../dss/dss2red_013311.00_+303842.00_5_web.jpg
Image source: DSS II (red) - 5×5'
Name: NGC592
Group: M33
Type: BN, EN, EG
Constellation: Tri
Coordinates: 01h33m11.00s / +30°38'42.00"
Brightness / Size: 13m0 / 0.7x0.5'
Emission nebula within the galaxy Messier 33.

Robert Zebahl
8" f/6, 150x, Bortle 4
Compact brightening, which I can see with averted vision for sure.
DIFFICULT

NGC 595 (BN)

../dss/dss2red_013333.53_+304129.80_5_web.jpg
Image source: DSS II (red) - 5×5'
Name: NGC595
Group: M33
Type: BN, EN, EG
Constellation: Tri
Coordinates: 01h33m33.53s / +30°41'29.80"
Brightness / Size: 13m1 / 1.7x0.9'
Emission nebula within the galaxy Messier 33.

Robert Zebahl
8" f/6, 150x, Bortle 4
Diffuse, slightly oval brightening. Quite well visible with averted vision.
MODERATE

NGC 604 (BN)

../dss/dss2red_013433.56_+304703.50_5_web.jpg
Image source: DSS II (red) - 5×5'
Name: NGC604, H3.150
Group: M33
Type: BN, EN, EG
Constellation: Tri
Coordinates: 01h34m33.56s / +30°47'03.50"
Brightness / Size: b11m5 / 1.9x1.2'
Brightest emission nebula within the galaxy Messier 33.

Robert Zebahl
152mm f/5.9, 72x, Bortle 4, SQM-L 21.2
At 34x rather faint, very compact. At 72x still small, round, slightly condensed, conspicuous with averted vision.

EASY
8" f/6, 100x, Bortle 4
Barely visible with direct vision, obvious with averted vision, relatively large, slightly oval, diffuse.

EASY
René Merting
12.5" f/4.5, 45x, SQM-L 21.5
bei 45x sticht NGC 604 deutlich hervor als kleines flauschiges Bällchen
EASY