DECLINATION ZONE +17° up to -28°

STEP 2: Look up the RA interval, read off the declination zone, and select the corresponding chart number.

RA (west)
23:44
00:16
00:48
01:20
01:52
02:24
02:56
03:28
04:00
04:32

05:04
05:36
06:08
06:40
07:12
07:44
08:16
08:48
09:20
09:52

10:24
10:56
11:28
12:00
12:32
13:04
13:36
14:08
14:40
15:12

15:44
16:16
16:48
17:20
17:52
18:24
18:56
19:28
20:00
20:32

21:04
21:36
22:08
22:40
23:12
RA (west)

RA (east)
00:16
00:48
01:20
01:52
02:24
02:56
03:28
04:00
04:32
05:04

05:36
06:08
06:40
07:12
07:44
08:16
08:48
09:20
09:52
10:24

10:56
11:28
12:00
12:32
13:04
13:36
14:08
14:40
15:12
15:44

16:16
16:48
17:20
17:52
18:24
18:56
19:28
20:00
20:32
21:04

21:36
22:08
22:40
23:12
23:44
RA (east)

+17° to +06°
170
171
172
173
174
175
176
177
178
179

180
181
182
183
184
185
186
187
188
189

190
191
192
193
194
195
196
197
198
199

200
201
202
203
204
205
206
207
208
209

210
211
212
213
214
+17° to +06°

+06° to -06°
215
216
217
218
219
220
221
222
223
224

225
226
227
228
229
230
231
232
233
234

235
236
237
238
239
240
241
242
243
244

245
246
247
248
249
250
251
252
253
254

255
256
257
258
259
+06° to -06°

-06° to -17°
260
261
262
263
264
265
266
267
268
269

270
271
272
273
274
275
276
277
278
279

280
281
282
283
284
285
286
287
288
289

290
291
292
293
294
295
296
297
298
299

300
301
302
303
304
-06° to -17°

-17° to -28°
305
306
307
308
309
310
311
312
313
314

315
316
317
318
319
320
321
322
323
324

325
326
327
328
329
330
331
332
333
334

335
336
337
338
339
340
341
342
343
344

345
346
347
348
349
-17° to -28°