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AP Guide 3

3. SOIN DES NÉGATIFS

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AP Guide 1

UN ATLAS PHOTOGRAPHIQUE AVEC UNE CAMÉRA SCHMIDT DE 14 CM

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AP Guide 2

2. DESCRIPTION DE LA CAMÉRA

Pour ceux qui ne sont pas familiers avec ce type d'instrument, permettez-moi de vous le décrire. Les spécifications du manufacturier sont:

Ouverture (diamètre):5.5 pouces ou 14 cm

Longueur focale:9 pouces ou 23 cm

Vitesse optique:f/1.65

Champ de vision:5.9 x 8.6 degrés avec film 35 mm

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Atlas Photographique

Rosette Nebula Use the links at left to read about Damien Lemay's ambitious project to photograph the whole sky from -40° to +90° declination with a Schmidt camera, and explore the resulting photographic atlas.

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JRASC 2016 December

Inside This Issue

  • Percival Lowell’s Last Year
  • Newbie No More

Plus all the regular columnists.

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Explore the Moon

Explore the Moon—an introductory lunar observing program


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Gallery - 5

This gallery features the work of members of the RASC Astrosketchers' list.

 

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Gallery - 4


This gallery features the work of members of the RASC Astrosketchers' list.

 


Unaided-Eye Observations of the Moon


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2017 Edition Updates

On p. 84, the coordinates for Old Man On His Back Conservation Area should be 49° 7′ 48″ N, 109° 7′ 12″ W

On pp. 165 to 170, small errors crept into the calculations, giving incorrect data. The corrected tables are shown below as PDFs, one for each page. The position angle "P" is in degrees.

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JRASC 2016 October

Inside this issue:

  • Lunar Exploration Part III
  • A New Year’s Conjunction
  • Structure and Formation of the Milky Way
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