CLOUDYNIGHT 比較星圖
https://www.cloudynights.com/topic/736976-comparison-of-print-atlases/Uranometria 2000 All Sky Edition
280,035 stars to visual 9.75 magnitude
Over 30,000 non-stellar objects
25,895 galaxies
671 galaxy clusters
1,617 open clusters, including those in the Magellanic Clouds
170 globular clusters, including both Milky Way and Magellanic Cloud objects
14 star clouds
377 bright nebulae
367 dark nebulae
1,144 planetary nebulae
260 radio sources
35 X-ray sources
220 double page, (18 x 12 inches) charts at a scale of 1.85 cm per degree of declination
Interstellarum Deep Sky Atlas
Tycho catalog with 201,719 stars to magnitude 9.5
Over 14,000 total non-stellar objects (calculated from list below)
Open clusters: 1903
Globular clusters: 181
Asterisms: 536
Star clouds: 58
Planetary nebulae: 755
Galactic nebulae: 530
Dark nebulae: 526
Galaxies: 9599
Groups of galaxies: 508
Clusters of galaxies: 117
Quasars: 122
Great Atlas of the Sky
Over 2.4 million stars down to magnitude 12
Over 70,000 deep sky objects plotted
https://www.cloudynights.com/topic/660728-looking-for-recommendation-for-star-atlas/https://www.cloudynights.com/topic/702006-a-tiny-snippet-from-4-different-star-atlases/