- Herschel 400 List (Aur) -

And (6) Cep (6) Del (3) LMi (10) Pup (5) UMi (1)
Aql (2) Cet (6) Dra (5) Lyn (3) Sct (2) Vir (24)
Aqr (1) CMa (2) Eri (1) Mon (14) Ser (1) Vul (5)
Ari (1) Cnc (1) Gem (9) Oph (3) Sex (4)
Aur (5) Com (24) Her (2) Ori (9) Sgr (4)
Boo (4) Crv (1) Hya (2) Peg (4) Tau (3)
Cam (5) CVn (16) Lac (2) Per (8) Tri (1)
Cas (16) Cyg (9) Leo (19) Psc (2) UMa (45)

H 1.261 (BN)

../dss/dss2blue_053126.60_+341458.00_5_web.jpg
Image source: DSS II (blue) - 5×5'
Name: NGC1931, H1.261
Type: BN, EN, RN
Constellation: Aur
Coordinates: 05h31m26.60s / +34°14'58.00"
Brightness / Size: 10m1 / 3.0x3.0'
Robert Zebahl
120mm f/5, 86x, Bortle 6, SQM-L 19.3
Compact, roundish brightening with central star. Nebula barely visible with direct vision.

../sketches/2019-02-26_ngc1931.jpg

EASY
8" f/6, 37x, Bortle 4-
Very small, bright. At 80x more extended.
EASY

H 7.33 (OC)

../dss/dss1_052003.40_+391724.00_12_web.jpg
Image source: DSS I - 12×12'
Name: NGC1857, H7.33
Type: OC
Constellation: Aur
Coordinates: 05h20m03.40s / +39°17'24.00"
Brightness / Size: 7m0 / 6.0x6.0'
Robert Zebahl
120mm f/5, 75x, Bortle 6, SQM-L 19.1
Not noticeable as a cluster. In the middle a bright star, on one side another, fainter star, on the other side two stars.
DIFFICULT

H 7.39 (OC)

../dss/dss2blue_052805.00_+351930.00_12_web.jpg
Image source: DSS II (blue) - 12×12'
Name: NGC1907, H7.39
Type: OC
Constellation: Aur
Coordinates: 05h28m05.00s / +35°19'30.00"
Brightness / Size: 8m2 / 7.0x7.0'
Robert Zebahl
B 8x40, Bortle 4-, NELM 5m7+, SQM-L 20.9
Fairly well seen with averted vision as small, diffuse brightening.

MODERATE
80mm f/6.25, 50x, Bortle 6-, NELM 5m0+, SQM-L 19.6
At 20x quite small, diffuse, slightly oval brightening. At 50x I could saw two stars (probably the two stars at the south edge) of similar brightness, otherwise the cluster appeared very diffuse.

EASY
4.5" f/8, 28x, Bortle 6-, NELM 5m0, SQM-L 18.9
Nearby a star pair, evenly bright oval.

MODERATE
8" f/6, 37x, Bortle 5
At 37x more diffuse, fairly small, grany with averted vision. At 100x resolved, consists of preferably fainter stars, still small size. Located near an evident pair of stars.

EASY
René Merting
B 10x50, SQM-L 21.5
der Haufen ist deutlich schwächer als M 38, aber direkt gut und leicht neblig erkennbar - südöstlich am Haufen blinkt immer ein Lichtpünktchen auf

EASY
B 18x70, SQM-L 21.5
ein kompaktes, granulares Nebelfleckchen mit zwei helleren Sternen südlich im Haufen

EASY
12.5" f/4.5, 72x, SQM-L 21.5
bei 45x ist der OS klein und kompakt, schön anzusehen - der Eindruck verstärkt sich bei 72x - der Haufencharakter geht bei 160x verloren, dann ist der OS im reichen Sternumfeld zwar noch auszumachen, aber nur mit leicht höherer Konzentration, als die umgebenden Sterne
EASY

H 8.59 (OC)

../dss/dss2blue_045106.00_+434030.00_25_web.jpg
Image source: DSS II (blue) - 25×25'
Name: NGC1664, H8.59
Type: OC
Constellation: Aur
Coordinates: 04h51m06.00s / +43°40'30.00"
Brightness / Size: 7m6 / 18.0x18.0'
Very nice cluster. Recommended!

Robert Zebahl
80mm f/6.25, 25x, Bortle 6, NELM 5m2
Quite evident, rather faint, resolved.

EASY
120mm f/5, 23x, Bortle 6, SQM-L 19.1
At 23x pretty faint near a medium bright star, appeared rich, but not very evident. At 50x irregular with several star chains. Background still slightly nebulous. About 20 stars visible.

EASY
8" f/6, 37x, Bortle 4
Located near a 7.47 mag star and seen as a star cloud consisting of many fainter stars. Very evident, fairly large, rich.

EASY
René Merting
B 10x50, SQM-L 21.5
indirekt ist der OS als diffuser Schimmer erkennbar
MODERATE

H 8.71 (OC)

../dss/dss1_064817.00_+410442.00_20_web.jpg
Image source: DSS I - 20×20'
Name: NGC2281, H8.71, Broken Heart Cluster
Type: OC
Constellation: Aur
Coordinates: 06h48m17.00s / +41°04'42.00"
Brightness / Size: 5m4 / 15.0x15.0'
Robert Zebahl
120mm f/5, 23x, Bortle 6, NELM 5m0+, SQM-L 19.3
Already at 23x quite apparent with at least 20 medium bright and fainter members. It appeared rather irregular and the 'broken heart' was well seen. I made a sketch at 85x, whereby the 'broken heart' was not so conspicuous.

../sketches/2019-01-02_ngc2281.jpg

EASY
8" f/6, 37x, Bortle 4
Evident group of about 20-30 medium bright and fainter stars. Cluster is more loose with slight concentration toward the middle. Good contrast to the surrounding.

EASY
René Merting
B 10x50, SQM-L 21.5
der Broken Heart Cluster fällt beim Schwenk sofort auf als kleine neblige Verdichtung, indirekt deutlich, direkt sehr schwach sichtbar - am nordwestlichen Rand nimmt die Helligkeit - der Haufen wird begrenzt durch zwei Sterne im Norden und im Süden und im Nordwesten ist ein Bogen markant
EASY